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NASA-LLIS-0141
Lessons Learned - Radioisotope Thermoelectric Generator Facility (RTGF) Lifting Operations
Year: 1992
Abstract: Description of Driving Event:
The 10-ton crane at the RTGF is used to lift and position radioisotope thermoelectric generators and ground support equipment. Crane electrical component failure increases the risk of load and/or crane damage. Failure of switches 3 or 4 results in bridge movement and bridge brake will not engage if a BR-1 relay failure occurs. Failure of switches 5 or 6 results in trolley movement and trolley brake will not engage if a BR-2 relay failure occurs. Failure of switches 7 or 8 results in hoist movement and hoist brake will not engage if a BR-3 OR BR-4 relay failure occurs. Failure of switch SW-2 in the fast speed position will result in the hoist operating in the fast speed even if the operator selects slow speed.
The 10-ton crane at the RTGF is used to lift and position radioisotope thermoelectric generators and ground support equipment. Crane electrical component failure increases the risk of load and/or crane damage. Failure of switches 3 or 4 results in bridge movement and bridge brake will not engage if a BR-1 relay failure occurs. Failure of switches 5 or 6 results in trolley movement and trolley brake will not engage if a BR-2 relay failure occurs. Failure of switches 7 or 8 results in hoist movement and hoist brake will not engage if a BR-3 OR BR-4 relay failure occurs. Failure of switch SW-2 in the fast speed position will result in the hoist operating in the fast speed even if the operator selects slow speed.
Subject: Facilities
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| contributor author | NASA - National Aeronautics and Space Administration (NASA) | |
| date accessioned | 2017-09-04T16:44:50Z | |
| date available | 2017-09-04T16:44:50Z | |
| date copyright | 33882 | |
| date issued | 1992 | |
| identifier other | VXYCQCAAAAAAAAAA.pdf | |
| identifier uri | https://yse.yabesh.ir/std/handle/yse/108129 | |
| description abstract | Description of Driving Event: The 10-ton crane at the RTGF is used to lift and position radioisotope thermoelectric generators and ground support equipment. Crane electrical component failure increases the risk of load and/or crane damage. Failure of switches 3 or 4 results in bridge movement and bridge brake will not engage if a BR-1 relay failure occurs. Failure of switches 5 or 6 results in trolley movement and trolley brake will not engage if a BR-2 relay failure occurs. Failure of switches 7 or 8 results in hoist movement and hoist brake will not engage if a BR-3 OR BR-4 relay failure occurs. Failure of switch SW-2 in the fast speed position will result in the hoist operating in the fast speed even if the operator selects slow speed. | |
| language | English | |
| title | NASA-LLIS-0141 | num |
| title | Lessons Learned - Radioisotope Thermoelectric Generator Facility (RTGF) Lifting Operations | en |
| type | standard | |
| page | 2 | |
| status | Active | |
| tree | NASA - National Aeronautics and Space Administration (NASA):;1992 | |
| contenttype | fulltext | |
| subject keywords | Facilities | |
| subject keywords | Lifting Devices |